1 files changed, 10 insertions, 3 deletions
diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 67430aef..b3b90641 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -41,10 +41,17 @@ class Translator {
         });
     }
 
-    findTerms(text, dictionaries, softKatakana) {
+    findTerms(text, dictionaries, softKatakana, alphanumeric) {
         const titles = Object.keys(dictionaries);
         const cache = {};
 
+        if (!alphanumeric && text.length > 0) {
+            const c = text[0];
+            if (!jpIsKana(c) && !jpIsKanji(c)) {
+                return Promise.resolve({length: 0, definitions: []});
+            }
+        }
+
         return this.findTermsDeinflected(text, titles, cache).then(deinfLiteral => {
             const textHiragana = wanakana._katakanaToHiragana(text);
             if (text !== textHiragana && softKatakana) {
@@ -84,8 +91,8 @@ class Translator {
         });
     }
 
-    findTermsGrouped(text, dictionaries, softKatakana) {
-        return this.findTerms(text, dictionaries, softKatakana).then(({length, definitions}) => {
+    findTermsGrouped(text, dictionaries, softKatakana, alphanumeric) {
+        return this.findTerms(text, dictionaries, softKatakana, alphanumeric).then(({length, definitions}) => {
             return {length, definitions: dictTermsGroup(definitions, dictionaries)};
         });
     }